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1 year ago

3456 cubic inches to cubic ft The lesson is Multiple unit multipliers.

Mathematics

1 answer:

Dafna1 [17]1 year ago

3 0

Answer:

Step-by-step explanation:

1 cubic foot is 12 * 12 * 12 cubic inches.

1 cubic foot = 1728 cubic inches.

1 cubic foot = 1728 cubic inches

x cubic feet = 3456 Cross multiply

1728 x = 3456 * 1 Divide by 1728

x = 3456/1728

x = 2 cubic feet.

The other way to do this is

3456 cu inches [1 cubic Foot/1728 cubic inches] note that the units cancel and you are left with 1 division problem.

The question still comes to 2.

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The game of American roulette involves spinning a wheel with 38 slots: 18 red, 18 black, and 2 green. A ball is spun onto the wh

solong [7]

Answer:

a) $- \frac{1}{19}$

b) SD(x) = 0.9986

Step-by-step explanation:

Given data:

Number of slots 38

slots for red ball 18

slots for black = 18

slots for green 2

outcomes Red Black or Green

Profit 1 -1

P(X) 18/38 20/38

Expected value of wining,

$E(x) = 1. \frac{18}{38} + (-1) \frac{20}{38} = - \frac{2}{38} = - \frac{1}{19}$

B) Standard deviation of winning SD(x)

$SD(x) = \sqrt{(1- (-\frac{1}{19})^2 .\frac{18}{38} + (1- (-\frac{1}{19})^2 .\frac{20}{38}}$

$SD(x) = \sqrt{\frac{360}{361}$

SD(x) = 0.9986

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2 years ago

What is the common ratio of the geometric

Reptile [31]

the answer is B. 7

Step-by-step explanation:

it's the number u see the most therefore its the most common

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2 years ago

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Use your TVM Solver to determine the future balance in a mutual fund account (a type of investment account) if you make weekly p

Paladinen [302]

Answer:

$46,141.71

Step-by-step explanation:

This looks about right, based on weekly deposits for the duration. However, I cannot vouch for it entirely, as the number of weekly deposits in 15 years will actually be 782.

_____

Computing this by hand doing the initial balance separately from the weekly deposits, I get a total of $46,252.10 using 782 weekly deposits. For that purpose, I tried to figure an equivalent weekly interest rate given monthly compounding and the fact there are 52 5/28 weeks in a year on average.

I suspect the only way to get this to the cent would be to build a spreadsheet with payment dates and interest computation/payment dates. Some months, there would be 5 deposits between interest computations; some years there would be 53 deposits.